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December Weather in Slesin, Poland

Last updated: August 27, 2025

In December, the average temperature in Slesin, Poland hovers around 2°C (35°F). Expect chilly conditions, with minimums plummeting to -17°C (2°F) and maximums reaching up to 12°C (53°F). Accumulated precipitation during this month is 43 mm (1.7 in), spread over 12 days of rain, contributing to an overall average humidity of a remarkable 93%.

December Temperature in Slesin

In December in Slesin, the average temperature is 2°C (35°F), with a maximum that can reach 12°C (53°F) and a minimum that can drop as low as -17°C (2°F). Be sure to pack warm clothing and prepare for a range of temperatures if you're planning to travel during this time.

December Weather in Slesin: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Slesin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slesin, December typically has an average temperature of 2°C (35°F), with highs reaching up to 12°C (53°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec333439475565666658504235
Data source: Temperature data for Slesin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Slesin

In Slesin in December, the precipitation amount is 43 mm (1.7 in) over a span of 12 days.

December Precipitation Trends in Slesin

The chart displays monthly precipitation patterns in Slesin, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Slesin, December typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4440423873781056464663943
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Slesin

In Slesin in December humidity is 93%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that clings to your skin, making even short outdoor excursions uncomfortable and requiring you to dress in warm layers to combat both the cold and the moisture in the air.

December Average Humidity in Slesin

This chart illustrates the average monthly humidity levels in Slesin, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Slesin is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%79%63%61%63%65%75%85%90%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Slesin

In Slesin in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Slesin.

Maximum UV Index Levels in Slesin for December

The chart shows the monthly maximum UV Index (UVI) for Slesin in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Slesin typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Slesin December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Slesin Compares to Other Months

Weather in Slesin varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Slesin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Slesin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)43 mm (1.7 inches)91%low
February Weather1°C (34°F)40 mm (1.6 inches)90%low
March Weather4°C (39°F)42 mm (1.6 inches)87%moderate
April Weather8°C (47°F)38 mm (1.5 inches)79%moderate
May Weather13°C (55°F)73 mm (2.9 inches)63%high
June Weather18°C (65°F)78 mm (3.1 inches)61%very high
July Weather19°C (66°F)105 mm (4.1 inches)63%very high
August Weather19°C (66°F)64 mm (2.5 inches)65%high
September Weather15°C (58°F)64 mm (2.5 inches)75%moderate
October Weather10°C (51°F)65 mm (2.6 inches)85%moderate
November Weather6°C (42°F)39 mm (1.5 inches)90%low
December Weather2°C (35°F)43 mm (1.7 inches)93%low

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